High resolution infrared emission spectra of GaH and GaD

The high resolution infrared emission spectra of gallium hydride and gallium deuteride have been recorded with a Fourier transform spectrometer. There were 1045 lines observed including those from the v=1→0 to v=7→6 bands for the 69GaD and 71GaD species and v=1→0 to v=4→3 bands for the 69GaH and 71G...

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Bibliographic Details
Published in:The Journal of chemical physics 1993-12, Vol.99 (11), p.8379-8384
Main Authors: CAMPBELL, J. M, DULICK, M, KLAPSTEIN, D, WHITE, J. B, BERNATH, P. F
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Infrared spectra
Molecular properties and interactions with photons
Molecular spectra
Physics
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Summary:The high resolution infrared emission spectra of gallium hydride and gallium deuteride have been recorded with a Fourier transform spectrometer. There were 1045 lines observed including those from the v=1→0 to v=7→6 bands for the 69GaD and 71GaD species and v=1→0 to v=4→3 bands for the 69GaH and 71GaH species. Dunham Yij’s for each isotopomer were obtained by fitting the data set of each isotopomer separately to the Dunham energy levels of the X 1Σ+ electronic ground state. The mass-reduced Dunham Uij’s were determined using two independent methods. In the first fit the Uij’s constants were determined by the traditional method where all the constants were treated as adjustable parameters and determined statistically. In the second fit the Uij’s which satisfied the condition j
ISSN:0021-9606
1089-7690
DOI:10.1063/1.465613